Home / 11,639.87-16,063.31-6,334.98

Finding the Fourth Proportional to 11,639.87, 16,063.31 and 6,334.98

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Solution

The fourth proportional to 11,639.87, 16,063.31 and 6,334.98 is: 8,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.87 : 16,063.31 = 6,334.98 : x
  2. Step 2: Convert to fraction form
    11,639.87/16,063.31 = 6,334.98/x
  3. Step 3: Cross multiply
    11,639.87x = 16,063.31 × 6,334.98
  4. Step 4: Simplify right side
    11,639.87x = 101,760,715.91
  5. Step 5: Solve for x
    x = 101,760,715.91/11,639.87
  6. Step 6: Final answer
    x = 8,742.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.